General information

  • Name: TPD
  • Full name: N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)-benzidine
  • CAS number: 65181-78-4
  • Chemical formula: C38H32N2
  • Molecular weight: 516.67 g/mol
  • Absorption: λmax = 352 nm in THF
  • Photoluminescence: λmax = 398 nm in THF
  • HOMO/LUMO: HOMO = 5.5 eV, LUMO = 2.3 eV
  • Synonyms: N,N′-Bis(3-methylphenyl)-N,N′-diphenylbenzidine, N,N'-Diphenyl-N,N'-di(m-tolyl)benzidine, 4,4'-Bis[N-phenyl-N-(m-tolyl)amino]biphenyl
  • Classification: Light-emitting diodes, Organic light-emitting diodes, Hole injection layer materials (HIL), Hole transport layer materials (HTL), Host materials
  • Purity: Sublimed: >99%
  • Melting point: 175 - 177 °C
  • Appearance: White powder/crystals

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